How times have changed. The clue to every question about tangled relationships used to be: cherchez la femme. The tale of Mrs Kimberly Quinn, her husband and her lover, underlines that the key today is the nanny. An excellent nanny is the highest prize for any professional woman with young children. Finding one, then keeping her, can drive even the highest-fliers to desperate measures. Think Nannygate - the offences that disqualified Bill Clinton's first two choices for attorney general. Think the damage that indiscreet nannies have done. Once, it was a virtuous woman whose price was above rubies. Now, without doubt, it is a good nanny.

How times have changed. The clue to every question about tangled relationships used to be: cherchez la femme. The tale of Mrs Kimberly Quinn, her husband and her lover, underlines that the key today is the nanny. An excellent nanny is the highest prize for any professional woman with young children. Finding one, then keeping her, can drive even the highest-fliers to desperate measures. Think Nannygate - the offences that disqualified Bill Clinton's first two choices for attorney general. Think the damage that indiscreet nannies have done. Once, it was a virtuous woman whose price was above rubies. Now, without doubt, it is a good nanny.